Marquise|Lab Grown|IGI

1.03ct G VVS1 Marquise Lab Grown Diamond

EX • G/VVS1 • IGI LG811677900

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811677900

Diamond specifications and retailer prices

From $194 USD
As of November 3, 2026
Save $201 USD (51%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $670 USD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.03ct lab-grown marquise diamond

This 1.03ct lab-grown marquise sits in the classic one-carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG811677900 or 811677900. Listed at 3 retailers as of November 3, 2026, with a 104% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
G
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811677900
Dimensions10.71 × 5.22 × 3.24 mm
L/W Ratio2.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.71 mm5.22 mm1.03 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811677900
Side View
Table 61.0%Crown 35.6°Girdle: THN-MEDPavilion 40.4°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: $670 USD|Low: $194 USD|High: $680 USD|Avg: $425 USD|-1.5%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 4, 2026
Retailer 3$194 USD
Retailer 6$370 USD
Retailer 5$373 USD
Retailer 2$395 USD
Retailer 4$422 USD
Rare Carat$670 USD

38 data points across 6 retailers

3 retailers$194 USD to $395 USD

A
Cheapest Retailer
-
$194 USD
Final sale: no returns
A
Retailer 2
-
$395 USD
View
Most Expensive
Rare Carat
811677900 · Oct 28
$670 USD
View
Price last confirmed 7 days ago
2 more retailers have this diamond
Prices start from $194 USDSave up to $201 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.03ct Marquise
$194 USD